In addition to the revocation of license required under § 4-605(a) of this article, if an activity listed in § 4-605 is found to have occurred on the premises for which the license was issued, the license holder, or the employee, entertainer, or patron who performed the activity, is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 2 years or a fine not exceeding $1,000 or both.